Uburyo bwo guhinduka mumbaraga zifatika zifatika za Teflon kaseti yubushyuhe bwo hejuru nyuma yubusaza bukabije.

I.PatternofChangeinAdhesiveLayerCohesionUnderHigh-TemperatureAging

Post-curingrisingstage: Intheearlystageofhigh-temperatureexposure (urugero, 200-260 ° C), ibisigisigi bya groupecontinuetocross-ihuza, biganisha kuriasignificantincreaseincohesion.

Stableequilibriumstage: Kwambukiranya -huza -bisozwa, hamwe na cohesionremainsstableoveralongperiod.

Gutesha agaciro na Declinestage: Ubushuhe budasanzwe, ubushyuhe bwimbaraga, butera cohesiontodecreasecontinuously.

II

Rootcauseofcohesivefailure: Igihehecohesivestrengthoftheadhesivelayerislowerthantheinterfacialadhesion imbaraga, imbere yimbere ya coccurs, leftadhesiveresidue.

Rootcauseofsqueeze-out: Atelevatedtemperature, themodulusdecreases, andtheadhesivelayerundergoescoldflow, kubahudrededededbybythermalstress.

Umubanobetweenthetwo: Igihe kirekire -gukwirakwiza -bishobora-icyarimwe icyarimwe;

III.KwirindaIbikorwaByizaFormulation naProcess

Igenamigambi: Koreshahigh-fenylsilicone, ikoresha-yongeyeho-ingengabihe ya sisitemu-ihuza-kugenzura, kuringanizaMQresinratios, addreinforcingfillers, naeliminatelow-molekulari-yuburemere.

Coatingandcuring: Gushyira mubikorwa -post-curingtreatmenttoremovelow-molekulari-uburemere bwibintu napreventsqueeze-outduringyambere ya mbere.

Imiterere ya Adhesivelayer: Theadhesivethicknessshouldbekeptthin (≤25μm), anda0.5–1mmadhesive-freesafetymarginshouldbeprovidedattheedgestophysicallyblocksqueeze-out.

IV.KwirindaIbikorwaSubstrate naOperatingConditions

Substrateanchoring: PTFEfilmrequiresetchingorplasmatreatment, ihuriweho hamwe naprimertomatchinterfacialandcohesive imbaraga, ikabuza gukabya gukora cyane.

Temperaturecontrol: Birakomeye cyane bikurikizwa nubushuhe bwo gukoresha, gukoresha amashanyarazi,

Kubika no kubika: Ububiko bwububiko bwubushyuhe bwo gutembera, kwemerera ibicuruzwa,

TheaboveinformationisprovidedbyJiangsuOKNewMaterialIkoranabuhangaCo., Ltd.

Niba wongeyeho -temperaturemeshbelts, seamlessbeltingforadhesivepresses, uruhande rumwePTFEfabric, ubushyuhe bwo hejuru cyane, hamwe nubushyuhe bwo hejuru -ibikoresho byimbaraga-nyamuneka-nyamuneka

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